@book{293801,
	author = {Longrée, Karla and Blacker, Gertrude G.},
	title = {Técnicas sanitarias en el manejo de los alimentos / Karla Longrée, Gertrude G. Blaker},
	publisher = {Centro Regional de Ayuda Técnica},
	year = {1971},
	address = {México}
}